MESON Chess Problem Database

Problem Display
PID: 56249 (b3K3/3p2Qp/8/R2pnR1r/3kr1p1/N3p3/2P4b/3N4 w - - 0 1)

Howard, Kenneth Samuel

HM., Western Morning News, 1927

b3K3/3p2Qp/8/R2pnR1r/3kr1p1/N3p3/2P4b/3N4

#2

7 + 11

5089 The Enjoyment of Chess Problems 1943

SOLUTION

  • SOUND
  • Sets
    • 1...Rf4
      • 2.Qxe5#
    • 1...d6
      • 2.Qa7#
  • Keys
    • 1.Qe7!
      • threat
        • 2.Qc5#
      • 1...Rf4
        • 2.Qxe5#
      • 1...Sd3
        • 2.c3#
      • 1...Sf3
        • 2.Ra4#
      • 1...Sc4
        • 2.Sb5#
      • 1...Sc6
        • 2.Raxd5#
      • 1...Sg6
        • 2.Ra4#
      • 1...Sf7
        • 2.Ra4#
      • 1...d6
        • 2.Qa7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • R(d);N_GUARD,S_CUTB(a)::QAB1(F),XS(g)
    • P(i);OGATE::QAB(F)
  • Actual
    • Q(F);N_PINS(g)
    • Threat
      • QAB1(F)
    • Vars
      • R(d);N_GUARD,S_CUTB(a)::QAB1(F),XS(g)
      • S(g);P_PINQ(F),SBLOCK::P(B)
      • S(g);N_GUARD,P_PINQ(F)::R(D)
      • S(g);P_PINQ(F),SBLOCK::S(C)
      • S(g);P_PINQ(F),S_CUTB(k)::R1(D),XP(f)
      • P(i);OGATE::QAB(F)
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